1102320 has 60 divisors (see below), whose sum is σ = 3704376. Its totient is φ = 293760.

The previous prime is 1102313. The next prime is 1102333. The reversal of 1102320 is 232011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46 + ... + 1485.

2^1102320 is an apocalyptic number.

1102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852188).

1102320 is an abundant number, since it is smaller than the sum of its proper divisors (2602056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1102320 is a wasteful number, since it uses less digits than its factorization.

1102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1102320 is about 1049.9142822155. The cubic root of 1102320 is about 103.3005330050.

Adding to 1102320 its reverse (232011), we get a palindrome (1334331).

The spelling of 1102320 in words is "one million, one hundred two thousand, three hundred twenty".